VMD-L Mailing List

From: Ajasja Ljubetič (ajasja.ljubetic_at_gmail.com)
Date: Wed Jan 04 2012 - 13:52:28 CST

>
> Can you provide some example images that show the artifact you refer to?
>
> Of course. I already included hyper-links to the images, but they seem to
have disappeared.

Culling artefact (example 1 and 2)
http://lbf.ijs.si/ajasja/mails/VMD-quicksurf/culling1.png
http://lbf.ijs.si/ajasja/mails/VMD-quicksurf/culling2.png
other side (in the oposite direction of the z axis)
http://lbf.ijs.si/ajasja/mails/VMD-quicksurf/culling-ok.png
no culling:
http://lbf.ijs.si/ajasja/mails/VMD-quicksurf/no-culling.png

For the Quicksurf representation artefacts (horizontal "sphere-lines" at
the top):
http://lbf.ijs.si/ajasja/mails/VMD-quicksurf/quicksurf1.png
http://lbf.ijs.si/ajasja/mails/VMD-quicksurf/quicksurf2.png
If the view angle changes the artefacts disappear:
http://lbf.ijs.si/ajasja/mails/VMD-quicksurf/quicksurf-ok-1.png

Best regards,
Ajasja

Cheers,
> John Stone
> johns_at_ks.uiuc.edu
>
> On Wed, Jan 04, 2012 at 12:28:06PM +0100, Ajasja Ljubeti?? wrote:
> > Oh, and if I enable culling and look on my ions from below (along the
> z
> > axis) theyA disappear.
> > Example1 Example2. If I turn culling offA or look from theA other
> side (in
> > the oposite direction of the z axis) the spheres stay visible.
> > Best regards,
> > Ajasja
> >
> > On Wed, Jan 4, 2012 at 12:08, Ajasja LjubetiA:*
> > <ajasja.ljubetic_at_gmail.com> wrote:
> >
> > Dear all,
> > I really like the new quicksurf representation. As the name implies
> it's
> > *really* quick (realtime on my GTX570).
> > But I noticed some renderingA artefacts that are view angle
> dependant
> > and show up when the view vector is in the xy plane.
> > SomeA examples. If I change the view slightly everything is OK.
> > I'm running Win7 64 bit SP1 with the 285.86 NVIDIA drivers.
> > Best regards,
> > Ajasja Ljubetic
> > YoungA researcher,
> > Laboratory of biophysicsA
>
> --
> NIH Resource for Macromolecular Modeling and Bioinformatics
> Beckman Institute for Advanced Science and Technology
> University of Illinois, 405 N. Mathews Ave, Urbana, IL 61801
> http://www.ks.uiuc.edu/~johns/ Phone: 217-244-3349
> http://www.ks.uiuc.edu/Research/vmd/ Fax: 217-244-6078
>